How to insert content at a specified location in JS-JS Tutorial-php.cn

Below I will share with you a simple example of JS inserting content at a specified position in the text. It has a good reference value and I hope it will be helpful to everyone.

The example is as follows:

function insertAtCursor(myField, myValue) { //IE 浏览器 if (document.selection) { myField.focus(); sel = document.selection.createRange(); sel.text = myValue; sel.select(); } //FireFox、Chrome等 else if (myField.selectionStart || myField.selectionStart == '0') { var startPos = myField.selectionStart; var endPos = myField.selectionEnd; // 保存滚动条 var restoreTop = myField.scrollTop; myField.value = myField.value.substring(0, startPos) + myValue + myField.value.substring(endPos, myField.value.length); if (restoreTop > 0) { myField.scrollTop = restoreTop; } myField.focus(); myField.selectionStart = startPos + myValue.length; myField.selectionEnd = startPos + myValue.length; } else { myField.value += myValue; myField.focus(); } }

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The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.

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